docstr: rf_net   :    rf_layers
          
docstr_tok: ["rf_net",":","rf_layers"]
code: def p_rf_net(self, p):
      """rf_net   :    rf_layers"""
      pass
  
file_path: nnabla/python/src/nnabla/utils/converter/nnabla/opt_parser.py
imports: from ply import yacc
  from .opt_graph import Token
label_desc: Use image node_id 3 for calling the OptimizerParser obj's underlying member method code with example usage: obj.p_rf_net(p) without return types